Average Co-Inventor Count = 1.33
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Bethlehem Steel Corporation (2 from 370 patents)
2 patents:
1. 4852860 - Consumable injection lance
2. 4792125 - Consumable lance